The new findings were presented this week in San Antonio,Texas, at a meeting of the Associated Professional Sleep Societies.

VOA: special.2010.06.09

But think of the various periods during the night in which you are in a deep, deep dreamless sleep.

但请设想你处在这样的夜晚,你处于熟睡，安枕无梦。

耶鲁公开课 - 死亡课程节选

because I sleep in a different place every night, so yeah!

因为我每晚都在不同的地方睡觉，好啊！

选择美术的原因 - SpeakingMax英语口语达人

Getting plenty of sleep, reducing stress and eating a diet high in vitamins and minerals can also help.

VOA: special.2010.05.19

There's a guy in about the fifth row there who's missed too much sleep, so somebody just nudge him. That's it, good.

第五排有一个同学,可能很缺乏睡眠吧,旁边的人把他叫醒吧

耶鲁公开课 - 博弈论课程节选

The team was looking for a natural clock in the body that controls sleep and wakefulness.

VOA: special.2009.08.26

It's not that He simply wakes up those in a deep, deep sleep.

他并不只是将他们从沉睡中唤醒。

耶鲁公开课 - 死亡课程节选

And then you do twenty-plus miles the next day,you sleep in a tent, you gotta wake up and you got to do it again.

VOA: special.2009.11.02

answered Aylmer,surprised. The mind is in a sad state when sleep cannot control its ghosts and allows them to break free with their secrets.

VOA: special.2009.09.26

And if they do not have a traditional coffin to sleep in during the day, they can find other answers, such as using a car.

VOA: special.2010.01.20

Last August,a study in the journal Sleep Medicine said children who go to bed after nine o'clock took longer to fall asleep and slept less.

VOA: special.2010.06.09

Visitors to Zion National Park can sleep under the stars in a camping area.

VOA: special.2009.04.15

"You train,you raise money. So you walk twenty miles your first day, you sleep in a tent, you wake up I got to do this again?

VOA: special.2009.11.02

Then the old man and woman held the rain babies in the palms of their hands or they rocked them to sleep in a pair of wooden shoes.

VOA: special.2009.02.28

Michael Breus is a clinical psychologist with a specialty in sleep disorders.

VOA: special.2010.10.07

There are also mobile safaris where you sleep in a tent.

VOA: special.2009.08.19

People can sleep in it for a few days.

VOA: special.2010.02.02